diff --git a/nim_uikit/res/layout/nim_message_activity_text_layout.xml b/nim_uikit/res/layout/nim_message_activity_text_layout.xml
index 29e4ddb21..6d2873742 100644
--- a/nim_uikit/res/layout/nim_message_activity_text_layout.xml
+++ b/nim_uikit/res/layout/nim_message_activity_text_layout.xml
@@ -67,7 +67,7 @@
         android:hint="@string/message_hint"
         android:imeOptions="actionSend"
         android:inputType="text"
-        android:maxLength="40"
+        android:maxLength="120"
         android:maxLines="4"
         android:paddingStart="@dimen/dp_10"
         android:paddingEnd="10dp"